Grammer and Style - the diary of Samuel Pepys Armstrong space article rewrite

On July 21, 1969, Apoollo 11 became the first manned space mission to successfully land on the Moon. the space shuttle laucnched from Kennedy Space Center, carrying three enthusiastic astronauts Neil Armstrong, Edwin "Buzz" Aldrin, and Michael Collins into orbit. On June 20, Armstrong and Aldrin landed their small lunar module in the Sea of Tranquilty. When Armstrong made his desced to the Moon's surface, the people on earth hold their breath and watched wit great anticipation. He then made the inspirational and one of the most known line, " That's one small step for (a) man, one giant leap mankind." Over 600 million excited people rejoiced at the sight of this historical event on television. Armstrong and Aldrin marked their remarkable achievement by planting an American flag in the soil to signify the Americans as the winner of the space race. Just before they returned to their shuttle, the astronauts installed a plaque that bore the signature of each astronaut and President Richard Nixon as well as an inscription that marked their achievement. The inscription read, "Here Men from planet Earth first set Foot Upon the Moon, July 1969 A.D. We came in Peace For All Mankind." Which marked the magnificent expedition to an end.